Home / 1,727.61-2,578.85-1,508.91

Finding the Fourth Proportional to 1,727.61, 2,578.85 and 1,508.91

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Solution

The fourth proportional to 1,727.61, 2,578.85 and 1,508.91 is: 2,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.61 : 2,578.85 = 1,508.91 : x
  2. Step 2: Convert to fraction form
    1,727.61/2,578.85 = 1,508.91/x
  3. Step 3: Cross multiply
    1,727.61x = 2,578.85 × 1,508.91
  4. Step 4: Simplify right side
    1,727.61x = 3,891,245.01
  5. Step 5: Solve for x
    x = 3,891,245.01/1,727.61
  6. Step 6: Final answer
    x = 2,252.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.